💡 Heat pump + hot water cylinder is the most common combination in Irish home energy upgrades. SEAI grants of up to €12,500 available for heat pumps. Apply at seai.ie →
Mitsubishi Electric · Air-to-Water Heat Pump · Ireland 2026
Mitsubishi Electric Ecodan PUHZ-SW80VHA 8 kW — Ireland 2026
Japanese precision — Zubadan technology works at −25°C without backup heater
Zubadan inverter technology maintains full rated heating capacity down to −15°C and continues operating to −25°C — critical for Irish cold snaps. One of the quietest heat pumps at 47 dBA. Requires a separately purchased hot water cylinder (180–250L Mitsubishi Ecodan cylinder recommended).
8 kWSCOP 4.7447 dB(A)Max 60°CR-32SEAI grant up to €12,500
⚙️ Specifications
Heating capacity
8 kW
SCOP @ W35 (underfloor)
4.74
SCOP @ W55 (radiators)
3.11
COP A7/W35
4.50
COP A7/W55
2.82
Max. flow temperature
60°C
Operates to
-25°C outdoor
Outdoor noise level
47 dB(A)
Refrigerant
R-32
Hot water cylinder
Not included — required separately
Outdoor unit dimensions
1200 × 900 × 330
Outdoor unit weight
75 kg
Warranty
5 years
SEAI grant eligible
Yes — €12,500
💰 Pricing & SEAI grant
Typical installed price (incl. installation)
~€12,500
Supply (~€6,200) + installation, commissioning and cylinder
① Heat Pump Equipment Grant (all qualifying installs)− €6,500
② Central Heating Upgrade Grant (if radiators/pipework need upgrading)− €2,000
③ Renewable Heat Bonus (switching from oil / gas / solid fuel)− €4,000
Maximum total grant (houses)− €12,500
Est. hot water cylinder (180L, incl. install)~€1,200–€1,800
Effective cost (fossil fuel switcher, max grant)~€0
Grant updated 3 Feb 2026: Increased from €6,500 to up to €12,500. Apartments max €4,500. Replacing an existing heat pump (not fossil fuel): €6,500 max. 9% VAT on supply & installation (reduced from 23% since Jan 2025).
Apply at seai.ie — receive your Letter of Offer before installation begins. BER assessment required (€200 grant available). Homes built before 2007 need a Technical Assessment (€200 grant). Installer must be SEAI-registered. Cannot combine with Warmer Homes Scheme.
Key highlights
❄️
Zubadan — full capacity at −15°C
Where most heat pumps de-rate to 60–70% capacity in cold snaps, Zubadan delivers 100% — meaning your home stays warm during the coldest Irish nights without electric backup
🔇
47 dBA — one of the quietest
At 47 dBA this is quieter than most domestic appliances. Irish planning conditions often restrict outdoor unit noise — the Ecodan comfortably passes most constraints
📊
SCOP 4.74 — class-leading efficiency
For every 1 kWh of electricity consumed, the Ecodan produces 4.74 kWh of heat on average over the year — significantly reducing your electricity bill vs a boiler
Compatibility note: Partial — up to 60°C, may require radiator upsizing in older homes. A SEAI-registered heat pump installer will complete a heat loss assessment and radiator compatibility check before installation — this is required as part of the grant process.
✅ What we like
Zubadan technology — maintains 100% heating capacity to −15°C (no other brand matches this)
47 dBA outdoor noise — one of the quietest heat pumps available in Ireland
SCOP 4.74 at W35 — among the highest seasonal efficiency ratings
Lightweight at 75 kg — easier to position without specialist lifting
SEAI grant eligible — up to €12,500 (houses, fossil fuel switchers, from 3 Feb 2026)
MELCloud app — full remote monitoring and control
⚠️ Worth knowing
60°C maximum flow temperature — may require radiator upsizing in older homes
Hot water cylinder not included — additional cost of €600–€900
Higher cost per kW output than some alternatives
Fewer nationwide service engineers than Daikin or Worcester Bosch
💧 Compatible hot water cylinders
The Ecodan PUHZ-SW80VHA 8 kW requires a separately purchased hot water cylinder with a large primary coil (minimum 2.5 m²) to work efficiently at heat pump flow temperatures of 45–55°C. These cylinders are confirmed compatible with Mitsubishi Electric heat pumps. Browse all cylinders →
💰 SEAI grant covers the cylinder: The cylinder cost is included within the SEAI Heat Pump System Grant (up to €12,500). Cylinders are not individually grant-funded — the grant applies to the total installed system cost.
🧠 Compatible smart energy devices
Smart thermostats and energy management systems reduce heat pump running costs by 15–30% by scheduling operation around cheap electricity, solar generation and occupancy patterns. Browse all smart energy products →
🔋 Pair with battery storage — run your heat pump on solar
The most cost-effective way to run a heat pump in Ireland: pair with solar panels and a home battery. Solar generates free electricity during the day; the battery stores surplus for evening and overnight heat pump operation — reducing your annual electricity bill by 70–85%. Browse all batteries →
💰 SEAI Solar + Battery grant: The SEAI Solar PV Home Grant covers up to €1,800 for solar panel installation. Combined with the heat pump grant (up to €12,500) and the EV home charger grant (€300), the maximum SEAI support for a complete solar + heat pump + EV system is approximately €14,600.
🚗 Complete the picture — add an electric car
A heat pump and an EV are Ireland's most powerful energy saving pair. See all 205+ EVs in the EV Vehicle Directory.
🌡️ Heat pump + EV: Ireland's most powerful energy saving combination
🌡️ Heat pump vs oil
70% cheaper
to heat your home
🚗 EV vs petrol
80% cheaper
per km on night rate
💶 Combined saving
~€3,500/yr
heat pump + EV combined
Add solar panels and your EV charges from your roof for free while your heat pump runs on cheap night-rate electricity. A myenergi Zappi coordinates solar surplus and a Tado V3+ starts the heat pump en route home. View Zappi →
☀️ Pair with solar panels — maximise your SEAI grants in Ireland
A heat pump and solar panels are the most powerful renewable combination available to Irish homeowners today. Your Mitsubishi Electric heat pump runs entirely on electricity — solar generates that electricity from your roof at zero cost. Both qualify for substantial SEAI grants. See the full Solar Panel Directory for all models available in Ireland.
💰 Combined SEAI grant opportunity — apply together
🌡️ Heat Pump Grant
€12,500
max (incl. bonus)
☀️ Solar PV Grant
€1,800
max residential
🏆 Total available
€14,600
in SEAI grants
How the solar grant works alongside your heat pump grant:
SEAI Solar PV Home Grant (up to 2kWp @ €900/kWp)up to €1,800Heat Pump Equipment Grant (all qualifying homes)€6,500Central Heating Upgrade Grant (if needed)+ €2,000Renewable Heat Bonus (switching from oil/gas)+ €4,000EV Home Charger Grant (SEAI)+ €300Maximum total combined grant€14,600
💡 Apply BEFORE installation begins. Both the Heat Pump and Solar PV grants require a SEAI Letter of Offer before any contractor starts work. You can apply for both in the same process — ask your installer to coordinate a combined application. Also note: 9% VAT applies to heat pump supply and installation (reduced from 23% since 1 Jan 2025).
🌡️ Why a heat pump and solar are the perfect pair: A heat pump runs entirely on electricity — and a solar system generates free electricity from your roof. A typical 4kWp solar system generates ~3,400–3,800 kWh/year. Your Mitsubishi Electric Ecodan PUHZ-SW80VHA 8 kW uses ~3,000–5,000 kWh/year for heating and hot water. With both installed, your solar covers a large portion of your heat pump's electricity use — at zero cost. The combination is the highest-savings renewable upgrade available to Irish homeowners today.
The heat pump unit is one component of a complete home heating system. Below is a realistic breakdown of what a full installation in an Irish home typically costs — and what the SEAI grant covers.
What's included in the install
🌡️ Heat pump outdoor unit (supply)
💧 Hot water cylinder (180L) — ~€600–€900
🔧 Installation & commissioning — ~€2,500–€4,000
📋 BER assessment (SEAI grant: €200) — ~€250–€350
🌡️ Controls, piping, wiring — ~€500–€800
⚡ Heat loss & design survey — ~€200–€350
SEAI Grant
After grants
Supply price: ~€6,200
Full install: ~€12,500
SEAI grant (max houses): − €12,500
BER assessment grant: − €200
~€-200 effective cost
Pair with solar & battery
Solar-powered heat pump — the best combination for Irish energy independence. SEAI grants on both.
⚠️ Grant process reminder: Apply at seai.ie and receive your Letter of Offer before installation begins. Starting work before the Letter of Offer permanently disqualifies the grant. Installer must be on the SEAI registered contractor list.
🏠 Your complete renewable home upgrade
The Ecodan PUHZ-SW80VHA 8 kW is the starting point of a complete home energy upgrade. Heat pump + solar + battery is the highest-savings renewable combination available to Irish homeowners today — and both heat pump and solar qualify for separate SEAI grants you can apply for together.
🌡️
Heat pump
Mitsubishi Electric Ecodan PUHZ-SW80VHA 8 kW — SEAI grant up to €12,500 when switching from fossil fuel
☀️
Solar panels
Run your heat pump on free solar electricity — SEAI solar grant up to €1,800
🔋
Battery storage
Store surplus solar for overnight heat pump operation — cuts grid import by 40–60%
🔌
EV home charger
Charge your EV for free from solar — myenergi Zappi Eco+ mode. SEAI EV Home Charger Grant: €300
💧
Hot water cylinder
Required for air-to-water heat pumps — large-coil cylinders maximise efficiency
💰 Total SEAI grants available: ~€14,600 — Maximum SEAI grants available: Heat pump up to €12,500 + Solar PV up to €1,800 + EV home charger €300 = €14,600 total. Apply at seai.ie before installation begins.
Find SEAI-registered heat pump installers near you
Tell us what combination you need — heat pump only or a complete renewable upgrade. We match you with up to 3 SEAI-registered installers in your area. Free, no obligation.
🌡️ Get matched with local installers
Up to 3 SEAI-registered installers in your area will contact you within 1 business day with system recommendations and pricing.
💶 Get quotes
3 local installers · 1 business day
💬 Get advice first
Free assessment · no obligation
Your details are only shared with SEAI-registered Irish heat pump installers. No spam — ever.
✅
Request sent!
We're matching you with up to 3 SEAI-registered heat pump installers in your area. Expect contact within 1 business day.
De Energy Hub
More power to youTM.
🏭 Built for depots, warehouses & logistics operators
Open your depot to partner fleets — managed EV charging infrastructure
Truck and van depots can now open their charging infrastructure to visiting partners and contract fleets. Set your energy rate from your heat pump + solar system — Pure Energy, Smart Energy, or full-speed Boost Energy. Filter bookings by vehicle category — Car, Van, Truck, Campervan.
☀️ Pure Energy🔄 Smart Energy🚀 Boost Energy
🚛
Filter by vehicle category
Cars, vans, trucks and campervans each routed to the right charger type — no mismatches
🔗
Partner depot access
Open your depot to visiting partners with managed booking — track every session
📊
kWh & session tracking
Live energy usage, cost per session and cumulative depot totals — all in one dashboard
With a SCOP of 4.74, the Mitsubishi Electric Ecodan PUHZ-SW80VHA 8 kW produces 4.74 kWh of heat for every 1 kWh of electricity consumed. For a typical Irish home using ~12,000 kWh of heat per year, the pump needs approximately 2,532 kWh of electricity — at the current average Irish electricity rate of ~€0.38/kWh, that is ~€962 per year. Compare that to a typical oil boiler consuming ~900 litres at €0.90/litre (€1,080/yr). Annual saving: approximately €118. Switching to a Night Saver or smart tariff can reduce heat pump electricity costs by a further 20–30%, improving savings further.
The Mitsubishi Electric Ecodan PUHZ-SW80VHA 8 kW has a typical installed price of approximately €12,500 (including the hot water cylinder — sourced separately, installation and commissioning). The maximum SEAI heat pump grant from 3 February 2026 is €12,500 for houses switching from fossil fuel heating — made up of: ① €6,500 Heat Pump Equipment Grant, ② €2,000 Central Heating Upgrade Grant (if radiators need work), ③ €4,000 Renewable Heat Bonus. After the maximum grant, the effective cost is approximately €0. Apply at seai.ie before installation begins — you must receive a Letter of Offer first.
SEAI requires a minimum BER rating of B3 or above (or a satisfactory Heat Loss Indicator result) before approving a heat pump grant. Practically, the Mitsubishi Electric Ecodan PUHZ-SW80VHA 8 kW — with a maximum flow temperature of 60°C — is most efficient in a well-insulated home. Attic insulation, wall cavity fill and draught-proofing are the most cost-effective first steps. SEAI offers separate grants for insulation under the Better Energy Homes scheme. Your installer will complete a heat loss assessment and BER advisory during the site survey — this assessment is a requirement of the grant process and a separate SEAI grant of €200 is available to cover it.
The Mitsubishi Electric Ecodan PUHZ-SW80VHA 8 kW operates at a maximum flow temperature of 60°C. Radiators in older Irish homes are often sized for boiler temperatures of 70–80°C — at 60°C, they may deliver less heat than they would with a boiler, meaning the coldest rooms on the coldest days may need the radiators upsized. In practice: homes built after 2000 with well-sized radiators usually require minimal changes. Homes built before 1990 with older small radiators may need the largest radiators replaced or supplemented. Your installer will carry out a room-by-room heat loss calculation and radiator assessment as part of the SEAI grant survey — this is mandatory before grant approval.
Zubadan is Mitsubishi Electric's proprietary flash injection circuit that maintains the compressor's full rated heating capacity down to −15°C outdoor temperature. Standard heat pumps — including many premium brands — de-rate to 60–70% of rated output when outdoor temperatures fall to −10°C, precisely when your home needs the most heat. During Irish cold snaps (typically −5 to −12°C in January and February), Zubadan delivers 100% rated output without activating the backup electric immersion heater — which draws 2–3× more electricity per kWh of heat produced. Over a typical Irish heating season, Zubadan reduces the number of hours the electric backup runs, improving annual SCOP above the rated value.
A well-maintained Mitsubishi Electric heat pump should last 15–25 years. The compressor unit typically lasts 15–20 years; the overall system can last longer with component replacement. Annual servicing by a qualified heat pump engineer is recommended — SEAI-registered installers typically offer annual service packages. The standard 5-year warranty covers manufacturing defects. Heat pumps have far fewer moving parts than boilers — no combustion, no flue, no annual gas safety certificate — reducing long-term maintenance burden.
Zubadan is Mitsubishi Electric's proprietary refrigerant circuit technology that uses a flash injection system to maintain the compressor's heating capacity at low outdoor temperatures. Standard heat pumps at −10°C typically de-rate to 60–70% of their rated capacity — meaning they struggle on the coldest nights when you need heat most. Zubadan maintains 100% rated capacity to −15°C. During Irish cold snaps of −5 to −10°C, the Ecodan delivers full rated heat output — essential for ensuring comfort without relying on electric backup heater.
This depends on your radiator sizing. The Ecodan operates up to 60°C flow temperature — most modern Irish homes with radiators sized for 70–80°C boilers may need them upsized or supplemented. An Ecodan-registered installer will complete a heat loss assessment and radiator check before quoting. In well-insulated homes, existing radiators often work fine at 55–60°C flow temperature. New-builds and homes with underfloor heating are ideal candidates.
🌡️ Also consider
Other residential heat pumps in our Irish directory.
